2915327
2
GB
LPG kit
2.1
Kit description
The kit allows the burners designed to work with natural gas to
burn LPG. The kit is composed of:
2.2
Technical features
2.3
Conversion
On the Gas 4, Gas 4/2 and Gas 4 P/M head, the ignition electrode
and the distributor group/diffuser disc for natural gas must be re-
moved and replaced with those for LPG.
On the Gas 4 P/M also the probe must be replaced.
Proceed as follows:
Remove the ignition electrode and the ionization probe.
Unscrew the distributor group/diffuser disc from the external
tube 4).
Remove the internal tube 5) and replace it with the new one
for LPG.
Screw the distributor group/diffuser disc for LPG 1)-2) well
down onto the outer tube 4).
Fit the ignition electrode (supplied in the kit) in the position
shown in Fig. 1 and the ionization probe in the position indi-
cated in the instructions for natural gas.
As regards the Gas 4 P/M, fit the straight probe included in
the kit.
Screw down the diffuser disc onto the distributor by means
of screws with washers 3).
2.4
Combustion head setting
It is the same as for methane operation.
2.5
Electrical wiring
For the electrical wiring to the burner refer to the instruction manual.
2
LPG kit
Description
Quantity
Distributor
1
Diffuser disc
1
Self-adhesive label
1
Ignition electrode
1
Straight probe (only for GAS 4 P/M)
1
Interior tube
1
Instruction
1
WARNING
Apply the self-adhesive label for LPG operation
near the characteristics label.
Before starting the kit installation operations, get a
suitable lifting system ready.
Be careful as some drops of fuel may leak out dur-
ing the kit installation phase.
Burner
GAS 4 (516 T1)
GAS 4/2 (522 T1)
GAS 4 P/M (534 T1)
Burner output
185 - 465 kW
160 - 400 Mcal/h
140- 470 kW
120 - 406 Mcal/h
140 - 470 kW
120 - 406 Mcal/h
Minimum gas pressure
Maximum capacity requires 21 mbar, measured on the coupling, with 0 mbar resistance in the combus-
tion-chamber and gas with a net heat value of 22.200 kcal/m
3
.
Maximum gas pressure
100 mbar
Fuel
Commercial LPG (C
3
H
8
= 93 - 94%)
Net calorific value = 25.8 kWh/Nm
3
- 22.200 kcal/Nm
3
DANGER
Disconnect the electrical supply from the burner
by means of the main system switch.
WARNING
IMPORTANT for GAS 4 P/M
The ratio between the maximum output and the
minimum output must not exceed 2. The lever of
the gas throttle valve must be moved on to the
hole with 60° stamping (in this regard, see page of
Gas 4 P/M instructions).
Fig. 1
D1335